Valve's online games platform Steam has added a refund policy. According to a newly published page, you can request a refund for nearly any purchase on Steam â for any reason..
ABS pipe and fittings are made from a thermoplastic resin called Acrylonitrile-Butadiene-Styrene (ABS for short). ABS PIPING SYSTEMS:
The rate trans-. lates into an expansion of 1.34. inches for every 20 feet with a tem-. perature change of 100Â°F. Where ABS pipe is subjected to. severe temperature fluctuations, provisions for expansion and con-. traction must be provided.